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- How do I solve c, d, and e with the given data?Teacher of a class wants to study the reasons for students' absence. What is needed for her to study? a. Organize the data and analyze it b. Collect the data on the students' absence c. Investigate the reasons and draw conclusion d. All the aboveCheck whether the representation of pets in the population is different from: dog 41%, cat 33%, fish 10%, other 16%. α = 0.05. I am sending a screenshot with only one PART of the data in the attachment
- Lecture(8.1): A research study was conducted that measured empathy after watching Sesame street for five days in a row. The study was conducted twice. For Study A the researcher recruited 20 children and randomly assigned them into 2 groups, one group who watched Sesame street. and a second group who did not watched Sesame street. Empathy was measured after 5 days. For study B the researcher decided to only recruit only 10 children who all watched Sesame street and this time measued empathy before the first hour of Sesame street and again afte 5 days once the lasr hour was watched. Which of these studies uses an independent sample and which uses a dependent sample.?The following equation explains weekly hours of television viewing by a child in terms of the child's age, mother's education, father's education, and number of siblings: tvhours* = Bo + B1age + B2age? + B3motheduc + Bafatheduc + B5sibs + u We are worried that tvhours* is measured with error in our survey. Let tvhours denote the reported hours of television viewing per week. (a) What do the classical errors-in-variables (CEV) assumptions require in this application? (b) Do you think the CEV assumptions are likely to hold? Explain.4.3.11 Assigned Media Skill Builder Question Help ▼ On Monday, Luis picked up seven scones and six large coffees for the office staff. He paid $29.85. On Tuesday, Rachel picked up two scones and three large coffees for the office staff. She paid $10.92. What is the cost of one scone? What is the cost of one large coffee? The cost of one scone is $ and the cost of one large coffee is $ (Type integers or decimals.)
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- A special education teacher did research on whether or not there is a relationship between the number of students in his class and the number incidents of “acting out” behaviors exhibited by the autistic students in the classroom. He collects data for a year and aggregates them by month. He obtained the statistics below, r= -.863 R2=.74 b= -1.212294 a= 131.176598 10.) How does the presence of more students affect the incidents in the class? a) as students are added the incidences increase b) as students are added the incidences decrease c) the number of students does not affect acting out d) the number of students caused more incidents How much of the variability of acting out is explained by the number of students in the class?___________lecture(11.14): A professor offered a course that was offered half online and half in person. The professor hypothesized that students were spending less time on the material than on the off line material. At the end of the semester, students were asked to provide the amount of time they tended to course tasks during a week. The weeks were classified as online or in person, and the average amount of time is provided for 15 students. Online: 4 3 5 6 2 2 4 7 5 4 3 2 6 6 3 In person: 5 5 4 7 3 4 4 6 4 5 3 4 5 8 4 Test the hypothesis at( alpha=0.05) level of significance using the 5 step procedure. Make sure to clearly state the null and alternative hypothessis. Round your answer to 2 decimal places.10.5) Assume a pond contains 90 fish: 70 orange, 19 silver, and 1 red. A contestant pays $0.55 to randomly catch one fish and receives $0.35 if the fish is orange, $1.15 if the fish is silver, and $15.00 if the fish is red. How much (on average) does the carnival gain on each play? (If the carnival looses money, enter a negative dollar amount)
